Question

Testul de autoevaluare

Answer 1

1)

a)Mg+2Cl=MgCl2;

MgO+2HCl=MgCl2+H2O;

Mg(OH)2+2NaCl=MgCl2+2NaOH;

MgCO3+BaCl2=MgCl2+BaCO3;

b)Na2O+H2SO4=Na2SO4+H2O;

2NaOH+K2SO4=Na2SO4+2KOH;

2NaCl+CaSO4=Na2SO4+CaCl2;

Na2CO3+BaSO4=Na2SO4+BaCO3;